On screen
Cast
7 credited performers
Lance Lewman
Narrator
Kirk Johnson
Himself - Denver Museum of Nature & Science
Artwork unavailable
Daniel Fisher
Himself - University of Michigan
Artwork unavailable
Ian Miller
Himself - Denver Museum of Nature & Science
Artwork unavailable
Joseph Sertich
Himself - Vertebrate Paleontologist
Artwork unavailable
Eugene Schweig
Himself - United States Geological Survey
Artwork unavailable
Richard Stucky
Himself - Denver Museum of Nature & Science